Mt. Tamalpais Thistle / Center For Plant Conservation
Search / Plant Profile / Cirsium hydrophilum var. vaseyi
Plant Profile

Mt. Tamalpais Thistle (Cirsium hydrophilum var. vaseyi)

  • Global Rank: T1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: CA
  • Nature Serve ID: 153947
  • Lifeform: Forb/herb
  • Date Inducted in National Collection: 12/15/2020

Where is Mt. Tamalpais Thistle (Cirsium hydrophilum var. vaseyi) located in the wild?

States & Provinces:

Mt. Tamalpais Thistle can be found in California

Which CPC Partners conserve Mt. Tamalpais Thistle (Cirsium hydrophilum var. vaseyi)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Be the first to post an update!

Be the first to post an update!

Taxon Cirsium hydrophilum var. vaseyi
Authority (Gray) J.T. Howell
Family Asteraceae
CPC Number 958
ITIS 527373
Duration Perennial, Biennial
Common Names Mt. Tamalpais Thistle
Associated Scientific Names Cirsium hydrophilum var. vaseyi
State Rank
State State Rank
California S2
Ecological Relationships


Donate to CPC to Save this Species

CPC secures rare plants for future generations by coordinating on-the-ground conservation and training the next generation of plant conservation professionals. Donate today to help save rare plants from extinction.

Donate Today